There are ten levels, the first being a cutscene that introduces Noble Six (the player) to Noble Team. Noble Team consists of Noble 1: Carter, Noble 2: Kat, Noble 3: Jun, Noble 4: Emile, Noble 5: Jorge, and Noble 6: The Player. After finishing the game, there is also a bonus level of Noble 6 surviving an endless onslaught of Covenant forces that gets increasingly difficult.
Yes, I on some missions in Spartan Ops
8
50 levels which will take the average person 12 hrs
Missions.
There are 15 total campaign missions.
only one called "installation04"
missions that have 2 waypoints or somethings flashing blue/red (not the cops though,them you kill then teabag like you would in halo)
Yes theres a couple of missions where you get it and in some firefight missions you get it
No, Halo Reach shows what happened before Halo 1. In fact, in one of the missions in halo reach, you can see Master chief
.. No, Halo 1 and Halo 2 and have different story's
In my opinion, they're a lot longer than Halo 3's.
No you can't create your own missions. The closest thing to that is Forge.